Today marks the beginning of the 21st annual World Breastfeeding Week. Celebrated in more than 170 countries, World Breastfeeding Week (WBW) recognizes the essential work of breastfeeding advocates, educators, and lactation consultants who protect, promote, and support breastfeeding worldwide. This year’s theme is "Breastfeeding Support: Close to Mothers," highlighting breastfeeding peer counseling.